One common question people ask is "if I've lifted my truck, how long should my shocks be?" Well after careful measurements, I have your answer for a 1.5" lifted 4Runner anyway.
I have realized that my shocks (especially the rear ones) are MUCH longer than he stock length shocks most people have for their trucks with moderate lifts...
After some careful suspension measurements I did some research; the Rancho RSX shocks I got are 15.25" compressed and 25.25" extended, Rancho p/n RSX 17327, they are PERFECT for a 1.5" HD Downey setup. Stock is 13.0" and 20.75", so these shocks are 4.5" longer. You will, however, need to trim your gas tank skid plate and/or get the panhard bar drop. Also, the shocks' bushings are too small, so you need to drill them out with a 5/8 drill bit (the shocks are actually for a 3.5" lifted Wrangler). I have a significant amount of flex in the rear with these shocks, probably about 6" more than stock at the wheel.
My front shocks are 10.00" compressed, and 14.75" extended, Rancho p/n RSX 17010. They are just a little longer than stock (1.375"), but almost the same compressed. Stock is 9.375" and 13.375". These shocks have worked great with the BJ spacers and low-profile polyurethane bump stops.
Anyway, now you know.
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